Flexible Duct

Flexible duct is made of flam resistant PVC fabric material with spiral steel reinforced. It is able to endure acid, alkai, oleic acid and high temperature. And easily to turn, connection and move. There are 4 metal hanging rings on it. It has been extensively used in maintaining underground cable,engine room, crtpt, tunnel munic-ipal conduit engineering,machine shipbuilding engineering,fire flight rescue and other construction in the bad air environment. 1.Avoid sharp encounter a hard object to prevent the piercing duct 2.Avoid drag on the ground prevent wear the duct 3.Avoid spark of welding fall down to the duct 4.Avoid to sun and rain when use . And avoid the stress and damp when stock 5.Rang of temperature -20°C TO +85°C, exceed the rang, we need to book 6.It is not the toy,please keep child away.